Nxp Semiconductors UM10237 用户手册

UM10237_2

© NXP B.V. 2008. All rights reserved.

[1]

Reset value reflects the data stored in used bits only. It does not include reserved bits content.

[2]

The USBPortSel register is identical to the OTGStCtrl register (see 

). In device-only operations only bits 0 and 1 of this 

register are used to control the routing of USB pins to port 1 or port 2.

[3]

Reading WO register will return an invalid value.

This register selects the USB port pins the USB device signals are routed to.  USBPortSel 
is a read/write register.

USBEpInd

USB Endpoint Index

0x0000 0000

0xFFE0 C248

USBMaxPSize

USB MaxPacketSize

R/W

0x0000 0008

0xFFE0  C24C

USBRxData

USB Receive Data

RO

0x0000 0000

0xFFE0  C218

USBRxPLen

USB Receive Packet Length

RO

0x0000 0000

0xFFE0  C220

USBTxData

USB Transmit Data

0x0000 0000

0xFFE0 C21C

USBTxPLen

USB Transmit Packet Length

WO

0x0000 0000

0xFFE0 C224

USBCtrl

USB Control

R/W

0x0000 0000

0xFFE0  C228

USBCmdCode

USB Command Code

0x0000 0000

0xFFE0 C210

USBCmdData

USB Command Data

RO

0x0000 0000

0xFFE0  C214

USBDMARSt

USB DMA Request Status

RO

0x0000 0000

0xFFE0  C250

USBDMARClr

USB DMA Request Clear

WO

0x0000 0000

0xFFE0 C254

USBDMARSet

USB DMA Request Set

WO

0x0000 0000

0xFFE0 C258

USBUDCAH

USB UDCA Head

R/W

0x0000 0000

0xFFE0  C280

USBEpDMASt

USB Endpoint DMA Status

RO

0x0000 0000

0xFFE0  C284

USBEpDMAEn

USB Endpoint DMA Enable

WO

0x0000 0000

0xFFE0 C288

USBEpDMADis

USB Endpoint DMA Disable

WO

0x0000 0000

0xFFE0 C28C

USBDMAIntSt

USB DMA Interrupt Status

RO

0x0000 0000

0xFFE0  C290

USBDMAIntEn

USB DMA Interrupt Enable

R/W

0x0000 0000

0xFFE0  C294

USBEoTIntSt

USB End of Transfer Interrupt Status

RO

0x0000 0000

0xFFE0  C2A0

USBEoTIntClr

USB End of Transfer Interrupt Clear

WO

0x0000 0000

0xFFE0 C2A4

USBEoTIntSet

USB End of Transfer Interrupt Set

0x0000 0000

0xFFE0 C2A8

USBNDDRIntSt

USB New DD Request Interrupt Status

RO

0x0000 0000

0xFFE0  C2AC

USBNDDRIntClr

USB New DD Request Interrupt Clear

0x0000 0000

0xFFE0 C2B0

USBNDDRIntSet

USB New DD Request Interrupt Set

WO

0x0000 0000

0xFFE0 C2B4

USBSysErrIntSt

USB System Error Interrupt Status

RO

0x0000 0000

0xFFE0  C2B8

USBSysErrIntClr

USB System Error Interrupt Clear

0x0000 0000

0xFFE0 C2BC

USBSysErrIntSet

USB System Error Interrupt Set

WO

0x0000 0000

0xFFE0 C2C0